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UNIT 3 RADIOLOGY

PHYSICS FOR RADIOGRAPHY

QuestionAnswer
WHAT IS A PROTON? POSITIVE CHARGED PARTICLE (+)
WHAT IS A NEUTRON? PARTICLES THAT HAVE NO ELECTRIC CHARGE
WHAT IS ELECTRONS? PARTICLES THAT ARE CHARGED
DEFINE KINETIC ENERGY: ENERGY OF MOTION
DEFINE POTENTIAL ENERGY: ABILITY TO WORK BY VIRTUE OF POSITION
DEFINE ELECTROMAGNETIC : AN ELECTRIC AND MAGNETIC DISTURBANCE TRAVELING THROUGH SPACE AT THE SPEED OF LIGHT
AT WHAT SPEED DOES ELECTROMAGNETIC RADIATIONS TRAVEL? THE SPEED OF LIGHT OR 186,000 MILES PER SECOND
DIFFERENTIATE BETWEEN EM RADIATIONS THAT CAN IONIZE MATTER AND THOSE THAT CANNONT. EM energies with a SHORT WAVELENGTH have a INCREASED frequency and therfore HIGH ENERGY EM energies with a LONG WAVELENGTH have a LOWER FREQUENCY and therefore LOWER ENERGY.
LIST SOME CHARACTEERISITCS OF AND XRAY: A form of electromagnetic energy with no mass - Travels at the speed of light = Can penetrate most forms of matter = Can not be seen, heard or felt.
DEFINE CURRENT: The quanity of electrons flowing in a circuit
ID "CURRENTS" unit of measurement 1mA = 1/1000 of an AMP
DEFINE VOLTAGE (Potential Difference) THE FORCE OR STRENGTH OF THE ELECTRON FLOW IN THE CURRENT
WHAT IS THE MAIN PURPOSE OF A TRANSFORMER? An ELECTRICAL SERVICE USED TO PRODUCE THE HIGH VOLTAGE NEEDED FOR XRAY PRODUCTION
Created by: spoon6464